Chapter 8 Modbus Function Code And Register Addresses; Xlogic Modbus Function Code - Rievtech xLogic ELC Series User Manual

Y1

S1

S2(make contact)
S3—S4(break contact)
Function block diagram:

Chapter 8 Modbus function code and Register addresses

8.1 xLogic modbus function code

The following table contains some communication orders supported by xLogic.
Order
Function description
code(Hex)
Read one group coil status （ 00000 ～
01
0XXXX）
02 Fetch one group data of the status of
switch input
（10000～1XXXX）
03 Read data
（40000～4XXXX）
05 Force the switch status of single coil
（00000～0XXXX）
06 Pre-set the data of single register
（40000～4XXXX）
15 Force multi-coils on/off data
Solenoid valve
Pressure switch
Bobber switch(water level)
Bobber switch(water level)
of multi-holding register
Length of
message(one frame Remarks
order can deal with)
-- Read
relay)
-- Read
relay)
-- Read Holding Registers
(Output register)
1 Force Single Coil
80 Set single output register
many
Coil Status (Output
input Status (input
354